package java基础.base;

/**
 * @projectName: JAVA编程
 * @package: PACKAGE_NAME
 * @className: base.Demo07
 * @author: IT_Jay
 * @description: TODO
 * @date: 2021/11/17 15:53
 */
public class Demo07 {
    public static void main(String[] args) {
        //int a,b,c;
        //int a=1,b=2,c=3;   建议分行写，增强可读性
        int a = 1;
        int b = 2;
        char x = 'X';
        double pi = 3.14;
    }
}
